#ifndef _DES_LIB_H_
#define _DES_LIB_H_

#include <stdio.h>
#include <memory.h>
#include <time.h>
#include <stdlib.h>

int DES_Decrypt(char *cipherFile, char *keyStr,char *plainFile);
int DES_Encrypt(char *plainFile, char *keyStr,char *cipherFile);
int DES_Decrypt_str(char *src,int srclen, char *keyStr,char *dest);
int DES_Encrypt_str(char *src, int srclen,char *keyStr,char *dest);

#endif
